Year 10 Physics Assignment

This is the first 1,000 characters of 666 words (2.66 pages) in the essay titled Year 10 Physics Assignment

Miss

Year 10 Physics Assignment
By Valerie Bogdantsova

1. a) radiation~ The spontaneous decay or disintegration of an unstable atomic nucleus accompanied by the emission of radiation.
b) nuclear energy~ Energy released when atomic nuclei undergo a nuclear reaction such as the spontaneous emission of radioactivity, nuclear fission, or nuclear fusion.
c) background radiation~ relatively constant low-level radiation from environmental sources such as building materials, cosmic rays, and ingested radionucleides in the body.
d) nuclear fission~ Atomic nuclear processes which involve the splitting of nuclei with the accompanying release of energy.
e) nuclear fusion~ The nuclear process whereby several small nuclei are combined to make a larger one whose mass is slightly smaller than the sum of the small ones.

2. Two types of nuclear reactions can produce nuclear energy. Nuclear fusion is a process in which two light nuclei combine to form a single heavier nucleus. Nuclear fi...

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